Hello John,
Are you referring to a product made by Classic MIDI Works in Canada?:
http://midiworks.ca/index.php/products
As far as I know all of their current products are designed to be compatible with Hauptwerk (perhaps requiring a certain mode setting to be selected in the hardware).
Or a product by their sister company Classic Organ Works, such as one of their pipe organ control systems?:
http://www.organworks.com/
http://www.organworks.com/index.php/products/control-systems?set_article=overview
If the latter, I don't think anybody has ever contacted us about those previously, and I have no knowledge of them, I'm afraid. Hauptwerk doesn't currently have any native/dedicated support for them (if any were to be needed). Classic Organ/MIDI Works themselves would probably be best-placed to advise on whether they can be configured to send/receive MIDI in a Hauptwerk-compatible format (given that they have extensive experience with Hauptwerk), so please try speaking to them first. If their control systems aren't currently compatible then we could potentially discuss with them whether there might be a sufficient case to add dedicated support for them in Hauptwerk for the longer-term.